AD8331 Analog Devices, AD8331 Datasheet - Page 8
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AD8331
Manufacturer Part Number
AD8331
Description
Ultralow Noise VGAs with Preamplifier and Programmable RIN
Manufacturer
Analog Devices
Datasheet
1.AD8331.pdf
(32 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AD8331ARQZ
Manufacturer:
ADI/亚德诺
Quantity:
20 000
AD8331/AD8332
Figure 10. Frequency Response for Various Matched Source Impedances
Figure 9. Frequency Response for Various Values of V
–30
–40
–10
–20
–10
–10
–20
–30
–40
60
50
40
30
20
10
30
20
10
30
20
10
100k
0
100k
0
0
100k
Figure 11. Frequency Response, Unterminated, R
V
V
R
GAIN
GAIN
FB
= ∞
= 0.5 V
= 0.5V
1M
1M
1M
V
GAIN
R
0.2V
0.8V
0.6V
0.4V
0V
IN
R
R
FREQUENCY (Hz)
FREQUENCY (Hz)
IN
FREQUENCY (Hz)
= R
= 1V
IN
R
= R
= R
IN
S
= R
= 1kΩ
S
10M
S
10M
10M
= 200Ω
= 500Ω
S
= 50Ω, 75Ω, 100Ω
100M
100M
100M
GAIN
S
= 50 Ω
, HILO = HI
1G
1G
1G
Rev. C | Page 8 of 32
Figure 14. Representative Differential Output Offset Voltage vs. V
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–10
–20
50
45
40
35
30
25
20
15
10
20
10
20
10
100k
5
100k
0
0
0
0
0
LO GAIN
HI GAIN
V
T = +25°C
OUT
0.1
V
1µF
COUPLING
Figure 12. Channel-to-Channel Crosstalk vs.
GAIN
0.9V
= 1 V p-p
Figure 13. Group Delay vs. Frequency
T = –40°C
Frequency for Various Values of V
0.2
= 1V
0.1µF
COUPLING
T = –40°C
0.3
T = –40°C
1M
1M
0.4
FREQUENCY (Hz)
Temperatures
0.7V
FREQUENCY (Hz)
V
0.5
T = +85°C
GAIN
0.5V
0.6
(V)
0.7
10M
10M
T = +25°C
T = +25°C
0.8
GAIN
T = –40°C
0.9
T = +85°C
T = +85°C
0.4V
1.0
GAIN
100M
100M
1.1
at Three